//Javascript Document
$(document).ready(function (){

	$("div.contentsJap").css("display","block");
	$("div.contentsEng").css("display","none"); 
	$("#japan").click (function (){
		$("div.contentsEng").css("display","none");
		$("div.contentsJap").css("display","block");	
	});
	$("#english").click (function (){
		$("div.contentsJap").css("display","none");
		$("div.contentsEng").css("display","block");	
	});
	
	
});

function next(page)
{
	var temp;
	for (i=1; i<=3; i++)
	{
		temp = "content" + i;
		if (page == temp)
			document.getElementById(temp).style.display = "block";
		else
			document.getElementById(temp).style.display = "none";
	}
 
}

function back(page)
{
	var temp;
	for (i=1; i<=3; i++)
	{
		temp = "content" + i;

		if (page == temp)
			document.getElementById(temp).style.display = "block";
		else
			document.getElementById(temp).style.display = "none";
	}
 
}